Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
Group like terms
Add the numbers:
We showed that the two sides could take the same form

Popular Examples

prove 9(1+sin(y))(1+sin(-y))=9cos^2(y)prove sin(45)cot(45)=cos(45)prove csc(θ)-sin(θ)=cot(θ)csc(θ)prove cos(8θ)=cos^2(4θ)-sin^2(4θ)prove 1/(sec(x))+1=(sec(x)+1)/(sec(x))

Frequently Asked Questions (FAQ)

  • Is 1+sec^2(x)=2+tan^2(x) ?

    The answer to whether 1+sec^2(x)=2+tan^2(x) is True